1553422402 has 24 divisors (see below), whose sum is σ = 2713570956. Its totient is φ = 665013888.

The previous prime is 1553422399. The next prime is 1553422411. The reversal of 1553422402 is 2042243551.

It can be written as a sum of positive squares in 2 ways, for example, as 1464516361 + 88906041 = 38269^2 + 9429^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85078 + ... + 101710.

Almost surely, 2^1553422402 is an apocalyptic number.

1553422402 is a deficient number, since it is larger than the sum of its proper divisors (1160148554).

1553422402 is a wasteful number, since it uses less digits than its factorization.

1553422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602 (or 17595 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1553422402 is about 39413.4799529298. The cubic root of 1553422402 is about 1158.1456703981.

Adding to 1553422402 its reverse (2042243551), we get a palindrome (3595665953).

The spelling of 1553422402 in words is "one billion, five hundred fifty-three million, four hundred twenty-two thousand, four hundred two".