90422344 has 8 divisors (see below), whose sum is σ = 169541910. Its totient is φ = 45211168.

The previous prime is 90422341. The next prime is 90422347. The reversal of 90422344 is 44322409.

It is an interprime number because it is at equal distance from previous prime (90422341) and next prime (90422347).

It can be written as a sum of positive squares in only one way, i.e., 59752900 + 30669444 = 7730^2 + 5538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90422341) by changing a digit.

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 as a sum of consecutive naturals, namely, 5651389 + ... + 5651404.

Almost surely, 2^90422344 is an apocalyptic number.

It is an amenable number.

90422344 is a deficient number, since it is larger than the sum of its proper divisors (79119566).

90422344 is a wasteful number, since it uses less digits than its factorization.

90422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302799 (or 11302795 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 90422344 is about 9509.0664105368. The cubic root of 90422344 is about 448.8403789068.

The spelling of 90422344 in words is "ninety million, four hundred twenty-two thousand, three hundred forty-four".