90622029 has 8 divisors (see below), whose sum is σ = 120916480. Its totient is φ = 60371136.

The previous prime is 90622009. The next prime is 90622031. The reversal of 90622029 is 92022609.

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

It is not a de Polignac number, because 90622029 - 2⁷ = 90621901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90621987 and 90622005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90622009) 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 in 7 ways as a sum of consecutive naturals, for example, 5677 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (15114560).

Almost surely, 2^90622029 is an apocalyptic number.

It is an amenable number.

90622029 is a deficient number, since it is larger than the sum of its proper divisors (30294451).

90622029 is a wasteful number, since it uses less digits than its factorization.

90622029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21779.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 90622029 is about 9519.5603364861. The cubic root of 90622029 is about 449.1705362255.

The spelling of 90622029 in words is "ninety million, six hundred twenty-two thousand, twenty-nine".