46220557 has 2 divisors, whose sum is σ = 46220558. Its totient is φ = 46220556.

The previous prime is 46220549. The next prime is 46220563. The reversal of 46220557 is 75502264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45077796 + 1142761 = 6714^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 46220557 - 2³ = 46220549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46220527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23110278 + 23110279.

It is an arithmetic number, because the mean of its divisors is an integer number (23110279).

Almost surely, 2^46220557 is an apocalyptic number.

It is an amenable number.

46220557 is a deficient number, since it is larger than the sum of its proper divisors (1).

46220557 is an equidigital number, since it uses as much as digits as its factorization.

46220557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 46220557 is about 6798.5702173325. The cubic root of 46220557 is about 358.8765310208.

The spelling of 46220557 in words is "forty-six million, two hundred twenty thousand, five hundred fifty-seven".