90220754 has 8 divisors (see below), whose sum is σ = 145741260. Its totient is φ = 41640336.

The previous prime is 90220747. The next prime is 90220771. The reversal of 90220754 is 45702209.

It can be written as a sum of positive squares in 2 ways, for example, as 89737729 + 483025 = 9473^2 + 695^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734989 + ... + 1735040.

Almost surely, 2^90220754 is an apocalyptic number.

90220754 is a deficient number, since it is larger than the sum of its proper divisors (55520506).

90220754 is a wasteful number, since it uses less digits than its factorization.

90220754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470044.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 90220754 is about 9498.4606121203. The cubic root of 90220754 is about 448.5065784611.

The spelling of 90220754 in words is "ninety million, two hundred twenty thousand, seven hundred fifty-four".