1552400422 has 8 divisors (see below), whose sum is σ = 2372536656. Its totient is φ = 761554872.

The previous prime is 1552400417. The next prime is 1552400431. The reversal of 1552400422 is 2240042551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7322538 + ... + 7322749.

It is an arithmetic number, because the mean of its divisors is an integer number (296567082).

Almost surely, 2^1552400422 is an apocalyptic number.

1552400422 is a deficient number, since it is larger than the sum of its proper divisors (820136234).

1552400422 is a wasteful number, since it uses less digits than its factorization.

1552400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645342.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1552400422 is about 39400.5129662039. The cubic root of 1552400422 is about 1157.8916374608.

Adding to 1552400422 its reverse (2240042551), we get a palindrome (3792442973).

The spelling of 1552400422 in words is "one billion, five hundred fifty-two million, four hundred thousand, four hundred twenty-two".