45401122 has 16 divisors (see below), whose sum is σ = 73519992. Its totient is φ = 20903040.

The previous prime is 45401119. The next prime is 45401123. The reversal of 45401122 is 22110454.

It can be written as a sum of positive squares in 4 ways, for example, as 44342281 + 1058841 = 6659^2 + 1029^2 .

It is a super-2 number, since 2×45401122² = 4122523757717768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45401122.

It is not an unprimeable number, because it can be changed into a prime (45401123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9972 + ... + 13792.

Almost surely, 2^45401122 is an apocalyptic number.

45401122 is a deficient number, since it is larger than the sum of its proper divisors (28118870).

45401122 is a wasteful number, since it uses less digits than its factorization.

45401122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 45401122 is about 6738.0354703727. The cubic root of 45401122 is about 356.7430562014.

Adding to 45401122 its reverse (22110454), we get a palindrome (67511576).

The spelling of 45401122 in words is "forty-five million, four hundred one thousand, one hundred twenty-two".